# Preparation

There are some things we need to do in preparation to install this service.

## Volumes

<details id="bkmrk-media-folders-radarr"><summary>Persistent Data</summary>

This is where the service will store its own application data and ensures we can quickly update the service image.

<p class="callout warning">Ensure your user has permissions to access the folder.</p>

</details>## Environment

<details id="bkmrk-tz-this-is-the-curre"><summary>DB\_USER</summary>

This is the user account that will be used behind-the-scenes for logging into the database.

<p class="callout info">*For example:* monica\_admin</p>

</details><details id="bkmrk-gid-%C2%A0"><summary>APP\_URL</summary>

This is the URL that will be used as primary access point for this service.

<p class="callout info">*For example:* monica.example.com</p>

</details>### Passwords

<p class="callout danger">Keep these securely stored in a password manager, such as [VaultWarden](https://hub.subspace.services/books/vaultwarden "VaultWarden").</p>

<details id="bkmrk-db_root_pass-this-is"><summary>DB\_PASS</summary>

This is the password that will be used for root access to the database.

<p class="callout warning">It is important to use secure, randomly generated password.</p>

You can use a random alphanumeric string from a password manager, or open the terminal and run the command:

```
tr -dc 'A-Za-z0-9!"#$%&'\''()*+,-./:;<=>?@[\]^_`{|}~' </dev/urandom | head -c 32; echo
```

This pulls a random string from the '[urandom](https://en.wikipedia.org/wiki//dev/random)' device, removes unwanted characters and trim it to an appropriate length.

</details><details id="bkmrk-app_key-this-is-the-"><summary>APP\_KEY</summary>

This is the key that will be used for encrypting data within the services database.

<p class="callout warning">It is important to use secure, randomly generated password.</p>

You can use a random alphanumeric string from a password manager, or open the terminal and run the command:

```
tr -dc 'A-Za-z0-9!"#$%&'\''()*+,-./:;<=>?@[\]^_`{|}~' </dev/urandom | head -c 32; echo
```

This pulls a random string from the '[urandom](https://en.wikipedia.org/wiki//dev/random)' device, removes unwanted characters and trim it to an appropriate length.

</details>